---
title: "Upgrade NavVis IVION Frontend API NPM package"
slug: "how-to-upgrade-ivion-frontend-api-npm-package"
description: "Replace the old NavVis IVION NPM (Node Package Manager) package with the latest version"
tags: ["How to ..."]
updated: 2026-09-29T13:25:31Z
published: 2026-09-29T13:25:31Z
canonical: "knowledge.navvis.com/how-to-upgrade-ivion-frontend-api-npm-package"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://knowledge.navvis.com/llms.txt
> Use this file to discover all available pages before exploring further.

# How to upgrade the IVION Frontend API NPM package

## Introduction

### Purpose

In order to use the Frontend API in IVION, you must replace the old IVION NPM (Node Package Manager) package with the latest version.

### Scope

This solution applies to IVION.

## Procedure

1. Download the [latest navvis-ivion-XX.X.X.tgz package](https://ivion-api.docs.navvis.com/latest/npm/navvis-ivion.tgz)
2. Put the downloaded file in `_base` folder and modify the **package.json** file with the downloaded file name:

```plaintext
  "@navvis/indoorviewer": "file:navvis-ivion-XX.X.X.tgz",
```
3. Rerun the `npm run serve` command.

Application Programming Interface